4-port usb 3.0 to pci-e card express expansion card adapter via 5gbpseasy plug & play installation
automatically select ieq & i/o address
single-lane (x1) pci express throughput rates up to 5gbps
low-speed (1.5mbps) / full-speed (12mbps) / high-speed(480mbps) / super-speed (5gbps)
supports simultaneous operation of multiple usb 3.0, usb 2.0 and usb 1.1 devices
fully compliant with pci express base specification revision 2.0, compliant with universal serial bus 3.0 specification revision 1.0
supports 4 downstream ports for all speeds
built-in 4-pin power connector for receiving extra power supply from system
support microsoft windows 95 98 2000 me, xp, nt 4.0, vista, mac, win 7, win8
supports all usb data transfer function: control, add-on, interruption, synchrotrans
working frequency: 24 mhz
weight: approx 40g